(19)

(11)

EP 0 353 294 A1

(12)

(43) Date of publication: 07.02.1990 Bulletin 1990/06 (21) Application number: 89902572.0 (22) Date of filing: 23.01.1989

(51) International Patent Classification (IPC):  A61B 8/ 12( . ) A61B 17/ 22( . ) A61B 8/ 00( . ) A61B 19/ 00( . ) (86) International application number: PCT/US1989/000261 (87) International publication number: WO 1989/006515 (27.07.1989 Gazette 1989/16)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 22.01.1988 US 19880146856 07.07.1988 US 19880215981 (71) Applicants: BERNSTEIN, Jonathan Tenafly, NJ 07670 (US) ROSENSCHEIN, Uri New York, NY 10023 (US)	(72) Inventors: BERNSTEIN, Jonathan Tenafly, NJ 07670 (US) ROSENSCHEIN, Uri New York, NY 10023 (US) (74) Representative: Gustorf, Gerhard, Dipl.-Ing.  Patentanwalt Dipl.-Ing. Gerhard Gustorf Bachstrasse 6 A D-84036 Landshut D-84036 Landshut (DE)